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1D0-437 CIW PERL FUNDAMENTALS Questions and Answers

Questions 4

The filehandle INPUT is associated with the file represented by $file. Which statement will close the filehandle INPUT?

Options:

A.

close (INPUT, $file);

B.

closeINPUT;

C.

INPUT(close, $file);

D.

close(INPUT);

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Questions 5

Consider the following program code:

$Animal = Dogs bark;

package Cat;

$Animal = Cats purr;

{

package Fish;

$Animal = Fish swim;

} p

ackage main;

print $Animal;

What is the result of executing this program code?

Options:

A.

The code will fail at line 4.

B.

The code will output the following:

Dogs bark

C.

The code will output the following:

Cats purr

D.

The code will output the following:

Fish swim

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Questions 6

Consider the following program code:

$Animal = Dogs bark;

package Cat;

$Animal = Cats purr;

{

package Fish;

$Animal = Fish swim;

}

package main;

print $Animal;

What is the result of executing this program code?

Options:

A.

The code will fail at line 4.

B.

The code will output the following:

Dogs bark

C.

The code will output the following:

Cats purr

D.

The code will output the following:

Fish swim

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Questions 7

Running your Perl scripts with a d switch will perform which task?

Options:

A.

Invoke the Perl debugger

B.

Send standard error to a file

C.

Disable breakpoints

D.

Display a stack trace

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Questions 8

Consider the following program code:

1.$x = 100;

2.$y = 15;

3.$result = $x % $y;

4.

5.print $result;

What is the result of executing this program code?

Options:

A.

The code will fail at line 3 because % is a unary operator.

B.

The code will output the following:

10E+16

C.

The code will output the following:

10

D.

The code will fail at line 5 because $result is not enclosed by parentheses.

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Questions 9

Which of the following choices demonstrates the correct syntax to pass a reference to a subroutine?

Options:

A.

\@array4;

B.

@array4($ref);

C.

getpass(\@array4);

D.

getpass{@array4};

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Questions 10

Which one of the following while statements uses correct syntax and expressions?

Options:

A.

while {0} (print "OK");

B.

while ($c != 99) {print "OK"}

C.

while {$b eq "OK"} (print "$a++");

D.

while ($_) Do {print "OK");

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Questions 11

Consider the following program code:

if ("Apple" gt "Pear")

{

print("True ");

}

else

{

print("False ");

}

if ("Banana" le "Banana")

{

print("True ");

}

else

{

print("False ");

}

What is the result of executing this program code?

Options:

A.

False False

B.

False True

C.

True False

D.

True True

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Questions 12

Consider the following lines of code:

@array1 = ("apples", "oranges", "pears", "plums"); foreach (@array1)

{print "$_\n"};

What is the result of these lines of code?

Options:

A.

applesorangespearsplums

B.

apples oranges pears plums

C.

apples

D.

apples

oranges

pears

plums

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Questions 13

Consider the following code block:

BEGIN {print ("Jan ");}

BEGIN {print ("Feb ");}

END {print ("Mar ");}

END {print ("Apr ");}

Print ("May ");

What is the result of this code block?

Options:

A.

Jan Feb May Apr Mar

B.

Jan Feb Mar Apr May

C.

Mar Apr May Jan Feb

D.

May Jan Feb Mar Apr

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Questions 14

Consider the following code block:

BEGIN {print ("Jan ");}

BEGIN {print ("Feb ");}

END {print ("Mar ");}

END {print ("Apr ");}

Print ("May ");

What is the result of this code block?

Options:

A.

Jan Feb May Apr Mar

B.

Jan Feb Mar Apr May

C.

Mar Apr May Jan Feb

D.

May Jan Feb Mar Apr

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Questions 15

Which of the following correctly creates a SQL statement that will insert the values of the $name and $age variables into a database? The statement is assigned to the $sqlStmt variable. Assume a CHAR data type for $name and an INT data type for $age.

Options:

A.

$sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};

B.

$sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name\, $age)};

C.

$sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};

D.

$sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES (\$name\, $age)};

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Questions 16

Which statement will print the capital attribute of the $kansas object?

Options:

A.

print ("capital"=>$kansas);

B.

print {$kansas}=>(capital);

C.

print (capital)<={$kansas};

D.

print $kansas->{"capital"};

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Questions 17

Which statement will open the /etc/passwd file for reading only?

Options:

A.

open(PASSFILE "+>/etc/passwd");

B.

open(PASSFILE, "/etc/passwd");

C.

open(PASSFILE "+

D.

open(PASSFILE, ">/etc/passwd");

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Questions 18

Running your Perl scripts with a d switch will perform which task?

Options:

A.

Invoke the Perl debugger

B.

Send standard error to a file

C.

Disable breakpoints

D.

Display a stack trace

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Questions 19

In the context of Perl user-defined subroutines, which statement is the most accurate?

Options:

A.

Variables declared using the my keyword are global in scope.

B.

Variables declared using the local keyword are only available to the subroutine from which they are declared.

C.

Variables declared using the my keyword are available to the calling subroutine.

D.

Variable declared using the local keyword are available to subsequently called subroutines.

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Questions 20

Which statement will print the capital attribute of the $kansas object?

Options:

A.

print ("capital"=>$kansas);

B.

print {$kansas}=>(capital);

C.

print (capital)<={$kansas};

D.

print $kansas->{"capital"};

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Questions 21

Consider the following assignments:

$x = 9

$y = 7

$z = 5

Given these assignments, which one of the following expressions evaluates as true?

Options:

A.

($x - $y) != ($y - $z);

B.

($z * 2) <= $x;

C.

($y + $z + $x) = $y*3;

D.

($x 2) > $y;

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Questions 22

Which one of the following statements opens a file for appending?

Options:

A.

open(PASSWD, ">/etc/passwd");

B.

open(PASSWD ">/etc/passwd");

C.

open(PASSWD, ">>/etc/passwd");

D.

open(PASSWD "+>/etc/passwd");

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Exam Code: 1D0-437
Exam Name: CIW PERL FUNDAMENTALS
Last Update: Nov 23, 2024
Questions: 169
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